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Finding the Fourth Proportional to 16,957.62, 25,405.92 and 15,957.24

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Solution

The fourth proportional to 16,957.62, 25,405.92 and 15,957.24 is: 23,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.62 : 25,405.92 = 15,957.24 : x
  2. Step 2: Convert to fraction form
    16,957.62/25,405.92 = 15,957.24/x
  3. Step 3: Cross multiply
    16,957.62x = 25,405.92 × 15,957.24
  4. Step 4: Simplify right side
    16,957.62x = 405,408,362.86
  5. Step 5: Solve for x
    x = 405,408,362.86/16,957.62
  6. Step 6: Final answer
    x = 23,907.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.